Network Security Essentials Exam Questions and Answers 100% Pass

Network Security Essentials Exam Questions and Answers 100% Pass Denial-of-Service (DoS) attack - An attack preventing authorized users from accessing a network Flooding - Overwhelming the network with requests Distributed Denial-of-Service (DDoS) - A DoS attack launched from multiple systems simultaneously Network-based DDoS attack - Exhausting a system's network bandwidth Protocol-based DDoS attack - Exhausting network resources or infrastructure equipment Application layer DDoS - Exhausting specific functions of a program Operational technology (OT) - Hardware and software for monitoring and controlling industrial equipment DNS - Hierarchical system for identifying network resources 2100% Pass Guarantee Sophia Bennett, All Rights Reserved © 2025 DNS poisoning - Redirecting users to a malicious website by modifying DNS queries DNS resolution - Translating a domain name to an IP address DNS zone - A portion of a DNS namespace managed by an administrator Authoritative name server - Manages a domain's configuration and DNS records Domain hijacking - Changing domain registration info without owner's consent DNSSEC - Extensions providing cryptographic authentication of DNS data Data origin authentication - Assurance that DNS data originated from the zone owner Data integrity - Assurance that DNS data has not been modified in transit DNS cache poisoning - Attack where DNS data is modified to redirect to malicious sites Data link layer - Layer facilitating data transfer and error detection in OSI model Media Access Control (MAC) - Unique 48-bit identifier for network devices at the data link layer Address Resolution Protocol (ARP) - Protocol resolving internet addresses to MAC addresses 3100% Pass Guarantee Sophia Bennett, All Rights Reserved © 2025 ARP cache table - Table mapping internet addresses to corresponding MAC addresses ARP poisoning - Attack associating attacker's MAC address with target host's IP address MAC flooding - Attack overwriting a switch's MAC table with invalid MAC addresses Unicast flooding - Switch broadcast of a packet on all switch ports MAC cloning - Changing a network device's factory-assigned MAC address Man-In-The-Middle (MITM) - Attacker eavesdrops or modifies co